In Vivo Positional Analysis of Implantable Collamer Lens Using Ultrasound BiomicroscopyReport as inadecuate




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Journal of Ophthalmology - Volume 2016 2016, Article ID 4060467, 5 pages -

Research ArticleOphthalmology Department, Minia University, Minia, Egypt

Received 11 June 2016; Revised 17 August 2016; Accepted 23 August 2016

Academic Editor: Edward Manche

Copyright © 2016 Ahmed Mohamed Kamal Elshafei et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Purpose. To evaluate the anterior segment, the anatomical position of the implantable collamer lenses ICL, and its relationship to adjacent ocular structures using Ultrasound Biomicroscopy UBM. Methods. In a prospective study, 142 myopic eyes of 93 patients implanted with Visian ICL were subjected to UBM examination between March 2010 and January 2015. The relative position of ICL to the adjacent structure and the overall iris configuration were evaluated. The machine calibers were used to measure the minimum central distance between the ICL and anterior lens capsule vault and the vertical central distance between the corneal endothelium and the ICL E-ICL. Results. The mean ICL vault was  μm. The mean E-ICL was  μm. Contact between ICL and the posterior epithelium of the iris was present in all eyes. The overall iris configuration was flat in 89 eyes. Central anterior convexity was present in 41 eyes and mild peripheral iris bombe in 12 eyes. The haptics could be imaged in the ciliary sulcus in 112 eyes and at least one haptic resting on the lens periphery and zonules in 30 eyes. Conclusion. UBM can provide valuable anatomical information that allows detailed postoperative in vivo assessment of ICL.





Author: Ahmed Mohamed Kamal Elshafei, Mahmoud Mohamed Genaidy, and Hossam Mohamed Moharram

Source: https://www.hindawi.com/



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